PVA 17-88 – Polyvinyl Alcohol (Medium-Viscosity Grade)

🧪 CAS Number: 9002-89-5

🌟 Product Description

PVA 17-88 is a medium-viscosity, highly hydrolyzed type of polyvinyl alcohol. Its water-soluble nature makes it suitable as a film former, binder, and emulsifier. It is widely applied in textile, paper, coating, and adhesive industries.

🏭 Applications

👕 Textile industry for yarn and fabric sizing

📄 Paper coating and surface improvement

🧴 Binder in adhesive formulations

🎨 Film former in paints and coatings

⚗ Emulsifier and dispersant in chemical processes

📊 Physical & Chemical Properties

Appearance: White powder or granules

Odor: Odorless

Formula: (C₂H₄O)n

Degree of Hydrolysis: 87–89 %

Viscosity: ~15–20 mPa·s

Volatile Matter: ≤5 %

Ash Content: ≤0.5 %

pH: 5–7

Purity: ≥93.5 %

⚠️ Storage & Safety

Store in its original packaging in cool, dry, and well-ventilated places. Protect from direct sunlight and keep away from volatile or flammable substances. Avoid skin and eye contact, protective equipment is recommended.

🔑 Keywords

PVA 17-88, polyvinyl alcohol, medium viscosity PVA, film former, adhesive binder, emulsifier

📛 Other Names

BP-17, PVA-217, GL-17